Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

I’m curious about the __________ space of the Earth.

Choose the letter A, B, C or D to complete the sentences

Have you ever seen a flying __________?

Choose the letter A, B, C or D to complete the sentences

“What subject do you find the most difficult?” My mother asked.

⇒ My mother asked what subject ____________ the most difficult.

Choose the letter A, B, C or D to complete the sentences

I can’t stand __________ with such a talkative person like her.

Choose the letter A, B, C or D to complete the sentences

Neil Armstrong is considered as the first person __________ on the Moon.

Choose the letter A, B, C or D to complete the sentences

It was so kind of him __________ me when I was homeless

Choose the letter A, B, C or D to complete the sentences

There have been some traces proving the __________ of aliens.